Sleep time and cardiovascular risk factors in adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study

1. Rey-López, J.P.
2. de Carvalho, H.B.
3. de Moraes, A.C.F.
4. Ruiz, J.R.
5. Sjöström, M.
6. Marcos, A.
7. Polito, A.
8. Gottrand, F.
9. Manios, Y.
10. Kafatos, A.
11. Molnar, D.
12. Widhalm, K.
13. De Henauw, S.
14. Moreno, L.A.